Finding the Fourth Proportional to 1,430,924.90, 1,974,683.99 and 777,556.07
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Solution
The fourth proportional to 1,430,924.90, 1,974,683.99 and 777,556.07 is: 1,073,031.52
Step by Step Solution
- Step 1: Write the proportion equation
1,430,924.90 : 1,974,683.99 = 777,556.07 : x - Step 2: Convert to fraction form
1,430,924.90/1,974,683.99 = 777,556.07/x - Step 3: Cross multiply
1,430,924.90x = 1,974,683.99 × 777,556.07 - Step 4: Simplify right side
1,430,924.90x = 1,535,427,522,821.88 - Step 5: Solve for x
x = 1,535,427,522,821.88/1,430,924.90 - Step 6: Final answer
x = 1,073,031.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.